CVE-2025-38576: powerpc/eeh: Make EEH driver device hotplug safe
In the Linux kernel, the following vulnerability has been resolved:
powerpc/eeh: Make EEH driver device hotplug safe
Multiple race conditions existed between the PCIe hotplug driver and the EEH driver, leading to a variety of kernel oopses of the same general nature:
<pcie device unplug> <eeh driver trigger> <hotplug removal trigger> <pcie tree reconfiguration> <eeh recovery next step> <oops in EEH driver bus iteration loop>
A second class of oops is also seen when the underlying bus disappears during device recovery.
Refactor the EEH module to be PCI rescan and remove safe. Also clean up a few minor formatting / readability issues.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
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ubuntu/linux-gcp-fipsto a version that resolves this vulnerability.Fixed in 5.15.0-1097.106+fips1 - Upgrade
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ubuntu/linuxto a version that resolves this vulnerability.Fixed in 6.8.0-100.100 - Upgrade
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ubuntu/linux-aws-6.14to a version that resolves this vulnerability.Fixed in 6.14.0-1017.17~24.04.1 - Upgrade
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ubuntu/linux-azureto a version that resolves this vulnerability.Fixed in 6.8.0-1046.52 - Upgrade
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ubuntu/linux-gcpto a version that resolves this vulnerability.Fixed in 6.8.0-1047.50 - Upgrade
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ubuntu/linux-gcp-6.14to a version that resolves this vulnerability.Fixed in 6.14.0-1020.21~24.04.1 - Upgrade
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ubuntu/linux-gketo a version that resolves this vulnerability.Fixed in 6.8.0-1043.48 - Upgrade
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ubuntu/linux-gkeopto a version that resolves this vulnerability.Fixed in 6.8.0-1030.33 - Upgrade
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ubuntu/linux-ibmto a version that resolves this vulnerability.Fixed in 6.8.0-1044.44 - Upgrade
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ubuntu/linux-lowlatencyto a version that resolves this vulnerability.Fixed in 6.8.0-100.100.1 - Upgrade
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ubuntu/linux-nvidiato a version that resolves this vulnerability.Fixed in 6.8.0-1046.49 - Upgrade
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ubuntu/linux-nvidia-lowlatencyto a version that resolves this vulnerability.Fixed in 6.8.0-1046.49.1 - Upgrade
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ubuntu/linux-oracleto a version that resolves this vulnerability.Fixed in 6.8.0-1043.44 - Upgrade
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ubuntu/linux-raspito a version that resolves this vulnerability.Fixed in 6.8.0-1047.51 - Upgrade
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ubuntu/linux-realtimeto a version that resolves this vulnerability.Fixed in 6.8.1-1041.42 - Upgrade
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linux/Kernelto a version that resolves this vulnerability.Fixed in 5.15.190 - Upgrade
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Event History
Frequently Asked Questions
What is the severity of CVE-2025-38576?
CVE-2025-38576 is classified as a high severity vulnerability due to multiple race conditions in the Linux kernel.
How do I fix CVE-2025-38576?
To fix CVE-2025-38576, update your Linux kernel to the latest patched version provided by your distribution.
What are the potential effects of CVE-2025-38576?
CVE-2025-38576 could lead to kernel oopses and instability when using the PCIe hotplug functionality.
Which versions of the Linux kernel are affected by CVE-2025-38576?
CVE-2025-38576 affects various versions of the Linux kernel that incorporate the affected drivers, particularly those with EEH and PCIe functionalities.
Is there a workaround for CVE-2025-38576?
Currently, the best approach for CVE-2025-38576 is to apply the security patches as there are no known workarounds that fully mitigate the risk.